Eobeet h



@when 'gnteitt ffies.-

noBEn'r H. LECKY; 0F ALLEGHENY CITY, BENNSYLVANIA.

i Letters,PotentNo.` 79,361, dated June 30, 41868; anteolzttecl June13,1868.

IMPROVEMENT IN PHT-WRENCH.

To ALL 'umore 1r MAY eoNeEnN:

Beit kilownfthct, ROBERT H. LECKY, ofthe :city andcounty offAllegheny,in the State of Pennsylvania,

havoi'nvented new and useful Improy'ement in PipeeWrenoh and Cuttercombined in one instrument; and I ojo hereby declarethat thefclldwing isat'ull and'exact description thereof, reference boing had'to the'aeeom;

panying drawings, and tothe letters end gures-of reference markedthereon. The nature of my'in'vention consists in combining in oneinstrument a pipe-wrench and cutter, constructed, l arrangedphndoperating in-.themanner hereinafter -described. c v

A To enable othersfsllgilledz inthe nrttoinakeaiid use my invention,I'will proceed to describe itsconstructionund operation-r, 'i l l i i Yi Inethc' accompanying', drawings, which form part of' my specificationrFigure 1 is :inside vie-w of my improvement when arranged as apipe-cutter. Figure 2 is a-side- View of. the tongue or clamp, which isused for converting` or changing the instrument into apipe-wrench. y' lIn the drawings, A' represents thejawoit-lrewrench and cutter, which ismade in the form represented in ing.. 1, and isprovidedwitlrnn'opening/recess, or cavity, made in the form indicated by thedotted linesi and :mfor the reception of the'cjstter@'andito'nguojor.clampC, '.ilxo opening,r or cavity in the `jew A.sbouldt close to the sides'oi` thejcutterand" o'r' clamp, z inddthatpart of the curity in which that portion of `the cutter or tongue markedDispivotcd, shold'iit'very enact, as indicated hy the` dotted lines,marked m, in iig. 1, soneto forma. hinged knuckle or socket-joint,.sothat all strain on or against the cutter C or tongue C will come ou thecircular part markedD,-thereby relieving the pin u from the strainerforce brought to bear on the cutter C or tongue The only o iiicerequired of the pivot-pin n is to hold the cutter or tongue to its placein the jaw A. v'lhenpivot-pinn is itted in the opening marked o.

A The cutter C is provided with a cutting-edgmf, for cutting oil' thepipe, and o. series of cutters, marked e, which aroused for cuttingofthe burror swell'on the pipe, caused' by the cutting-edgcf. Thegriping edge of the tongue or-clamp C should bc provided Awith `fine'teeth or corx'ugations,` so that it will rcadily grasp the 'pipe'placed in thc jaw A.

Eroin the forevoinG-dcscri tionl and bv reference to the aecoinmn indrowins the skillful mechanic o o 1 g t will readily understand theconstruction of any improvement in pipc-wrench and cutter as combineflinone instrument.

I will therefore proceed to describe the operntiou'of my improvement. Incutting oi` gas or other pipes, the cutter C is placed in the jaw A, andthe pipe is placed between the cutter and jaw, the cutter is pressedagainst the pipe, and then, by drawing the lover B, thecutting-edgefwill beforced into'and out the pipe in proportion to'thevdraughton the lever B, and the burr or swell formed on the pipe by' theaction ofthe cuttingfedgef will be cut oiiby the cutters e, therebykeeping the end oi' the pipev tothe desired diameter.' convert theinstrument into a pipe-wrenchby removing the cutter C, and putting inits place thejongneor clamp C. The pipeis placed between the tongue orclamp, and by drawing the lever" B, .the tongue or `clump will grasp the.pipe iny pro-portion to the draught on the lover.

The advantages of my improvement consist in being` enabled, by the useof one instrument, to cut, trim olf, and wrench pipes ofdiierentdiameters..

I wish it clearly understood that I do not claim broadly ancceeutric-cutter or clamp in pipe-cutters or wrenches. l

Having thus described the nature, construction, and operation of myimprovement, what I claim as ofv my A pipewrench and cutter combined iuone instrument, constructed, arranged, and operating substantially as'herein described, and for the purpose set forth. v I

` v R. H. LECKY.

Witnesses:

A C. JOHNSTON, James J. Jonusrou.'

